Sentences with phrase «frigatebirds in»

Frigatebirds in flight tend to use one hemisphere at a time to sleep, as do ducks and dolphins, but sometimes they used both.

Not exact matches

Species: Great frigatebird, Fregata minor Habitat: Breeds on tropical islands in the southern Pacific, Indian, and Atlantic oceans; feeds on fish and squid in the open ocean

But climate change will shift atmospheric currents in the tropics, which could endanger the frigatebird's migratory strategy, says Rob Suryan of Oregon State University.

Unlike other birds, most of which avoid clouds because of their turbulence, frigatebirds seem to seek them out to ride on the strong updrafts under cumulus clouds in the open ocean to gain altitude.

Now Weimerskirch's team has cracked the frigatebird's secrets by tracking the migrations of birds native to Europa in the Mozambique Channel, off the coast of south - east Africa, all over the Indian ocean and as far east as South - East Asia.

To settle this question, Niels Rattenborg at the Max Planck Institute for Ornithology in Seewiesen, Germany, and his colleagues fitted small brain activity monitors and movement trackers to 14 great frigatebirds.

Weimerskirch's team tracked the migrations of 49 frigatebirds native to Europa Island in the Mozambique Channel throughout the Indian Ocean using tiny data loggers.

«Frigatebirds are really strange in many aspects of their life history,» says Henri Weimerskirch at the Centre for Biological Studies, Chizé, France.

Scientists built miniature devices to measure avian head movement, brain electrical activity and GPS location, and they attached them — almost like hats and backpacks — to great frigatebirds of the Galapagos Islands in Ecuador.

The results, published in Nature Communications, showed that frigatebirds could soar and glide with one or both sides of their brains asleep.

Magnificent frigatebirds, on the other hand, move into the Gulf in warm months.

Scenic Highlights: One night on Santa Cruz, three nights cruising through the Galápagos National Park aboard the Xavier, visit to see the giant tortoises, watching three species of boobies and two species of frigatebirds nesting together at Punta Pitt, snorkelling with rays and sea turtles in the shadow of Kicker Rock, witnessing the towering volcanic cliffs and the dark - sand beaches of Santiago island.

Christopher Columbus encountered magnificent frigatebirds when passing the Cape Verde Islands on his first voyage across the Atlantic in 1492.

[42] In 2003, a survey of the four colonies of the critically endangered Christmas Island frigatebirds counted 1200 breeding pairs.

There are an abundance of frigatebirds and it is among the best place in the archipelago to see red - footed boobies, Nazca boobies, swallow - tailed gulls, storm petrels, tropicbirds, Darwin's finches, and Galápagos mockingbirds.

Cormorants, black hawks, and frigatebirds flit in and out of the shadows while pink flamingos create a vivid backsplash.

The frigatebird is a large species of sea - bird that has an enormous wingspan that often exceeds two meters in length.

In the evenings, we watched the boobies come in to roost, while the magnificent frigatebirds harassed them for their fooIn the evenings, we watched the boobies come in to roost, while the magnificent frigatebirds harassed them for their fooin to roost, while the magnificent frigatebirds harassed them for their food.

In addition to the terns, there are frigatebirds, noddies, tropicbirds, and Bonin Petrels, not to mention 600,000 breeding pairs of Laysan Albatross and 60,000 pairs of Black - footed Albatross — virtually the entire world populations.

Surprisingly, the frigatebirds were also found to exhibit bihemispheric sleep, in which both hemispheres of the brain are asleep at the same time.

The team predicted that the flying frigatebirds would exhibit unihemispheric slow wave sleep (USWS), a phenomenon in which animals sleep with only one hemisphere of the brain at a time, allowing them to keep one eye open to watch out for potential threats.

The great frigatebird is a species of large seabird that can spend weeks flying non-stop over the ocean in search of food.

Headed by neurophysiologist Niels Rattenborg, the international team of researchers that authored the study spent time in the Galápagos Islands monitoring the brain activity of great frigatebirds (Fregata minor).